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(c) 7005 59. A system receives heat cont...

(c) 7005 59. A system receives heat continuously at the of 10 W per sq. unit area. The temperature of me system becomes constant at 70°C when the temperature of the surroundings is 30'C. Alle the heater is switched off, the system cools from 50°C to 49.9°C in 1 min. The heat capacity of the system is (a) 1000 J/°C (b) 1500 J/°C (d) None of these to 3000 7°C

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